Cannabis probably split from its closest relative, Humulus (hops), in the course of the mid Oligocene, all around 27.8 million several years in the past In accordance with molecular clock estimates. The centre of origin of Cannabis is likely from the northeastern Tibetan Plateau. The pollen of Humulus and Cannabis https://griffinkjdwm.bligblogging.com/27116744/detailed-notes-on-herbhaus